Environmental Entomology (1984) 13, 1377-1385

J.S. Elkinton and R.T. Cardé (1984)
Effect of wild and laboratory-reared female gypsy moths, Lymantria dispar L. (Lepidoptera: Lymantriidae), on the capture of males in pheromone-baited traps
Environmental Entomology 13 (5), 1377-1385
Abstract: Laboratory-reared male gypsy moths (Lymantria dispar) were released daily at the center of two 400-by-400-m grids of pheromone traps in a pine and a hardwood site before, during, and after the natural occurrence of wild adult females. There was no obvious diminution in recaptures of released males when wild females were present. However, in a second test, laboratory-reared females were placed at the center of one of the two grids. There was a significantly smaller proportion of males recaptured in the hardwood site when laboratory-reared females were present than when they were absent. In a third test, there was no difference in the proportion of mated versus unmated laboratory-reared males recaptured after release at the center of a grid without females. There were positive correlations between the proportion of males recaptured and ambient temperature and between the daily proportions recaptured in the two grids. There was a marked difference between the two sites in the wild adult sex ratio.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
Database assignments for author(s): Ring T. Cardé

Research topic(s) for pests/diseases/weeds:
pheromones/attractants/traps

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Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	Lymantria dispar		U.S.A. (NE)